"Sure!" Luca retorts, pressing down on the handle to shower his mother with water from the hose. Screaming and laughing, Duff runs away, rousing dog Dubois, who was resting nearby.

Luca is the "Chasing the Sun" singer's only child with estranged husband Mike Comrie. The couple announced their split in January 2014 after three years of marriage, but remain friendly as they continue to coparent Luca together.